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OS Max GT15HZII Engine
OS Max GT15HZII Engine
Our Price: $449.99
Meet the OS Max GT15HZII!

This is the latest version of the proven OS Max GT15HZII gasoline engine. Out of the box this assembled engine includes

  • The lasted design piston/Ring
  • Machined back plate for maximum piston clearance
  • .90 size 8mm crankshaft - fits most 700 class fan/clutch/hubs
  • Latest design wire piston pin clips
  • OS Max HD cooling head- significant cooling improvement
  • OS EI system, spark plug, fuel pump, throttle arm and instructions
  • Does NOT include muffler

Perfect fit for the JCD 5xx gas conversions
Fits most 700 class helicopters including the Goblin Nitro (with fan shroud modifications

NOTE: See additional running requirements under Technical Specs